/*
 * Copyright (C) 2011 Daniel Himmelein
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef MINDROID_LOOPER_H_
#define MINDROID_LOOPER_H_

#include <cmsis_os.h>
#include "mindroid/lang/Object.h"
#include "mindroid/os/Message.h"
#include "mindroid/os/MessageQueue.h"
#include "mindroid/os/RunnableQueue.h"
#include "mindroid/Mindroid.h"

namespace mindroid {

class Runnable;

class Looper {
public:
    static bool prepare();
    static Looper* myLooper();
    static void loop();
    static void loop(uint32_t maxLoops);
    void quit();

    MessageQueue& myMessageQueue() {
        return mMessageQueue;
    }

private:
    Looper();

    RunnableQueue& myRunnableQueue() {
        return mRunnableQueue;
    }

    static uint8_t sLooperData[] __attribute__((aligned (8)));
    static Looper* sLoopers[];
    static osThreadId sLooperThreadIds[];
    static int sNumLoopers;

    MessageQueue mMessageQueue;
    RunnableQueue mRunnableQueue;
    Message mMessage;

    friend class Handler;

    NO_COPY_CONSTRUCTOR_AND_ASSIGNMENT_OPERATOR(Looper)
};

} /* namespace mindroid */

#endif /* MINDROID_LOOPER_H_ */
